Flora of North America species comparison

1 or more, rigidly erect, 5-15 dm, 1-2.5 cm diam. at base.

(15-)25-40(-55) × (8-)12-20(-35) cm;

blade with 3-5 orders of leaflets and lobes;

abaxial surface and sometimes adaxial surface glaucous; penultimate lobes oblong, distal ones usually coarsely 3-toothed at apex, (4-)10-20(-50) × (1.5-)3-4(-8) mm.

(10-)15-30(-45) × (3-)5-9(-16) cm;

blade with 3, rarely 4 orders of leaflets and lobes; ultimate leaflets (10-)20-30(-60) × (5-)10-20(-25) mm, ultimate lobes oblong, apex acute.

paniculate, 2-30-flowered, usually exceeding leaves;

bracts linear-lanceolate, 4-7(-12) × 1-2 mm, apex acuminate.

paniculate, usually at least 5 times longer than wide;

bracts lanceolate to ovate, 3-5 × 1-2 mm, margins entire;

bracteoles absent, rarely present.

pendent;

sepals lanceolate to ovate or nearly round, 2-7 × 2-3 mm;

petals rose-purple, pink, cream, or pale yellow, rarely white;

outer petals (12-)16-19(-24) × 3-6 mm, reflexed portion 2-5 mm;

inner petals (12-)15-18(-22) mm, blade 2-4 mm wide, claw linear-elliptic to linear-lanceolate, 7-10(-12) × 1-2 mm, crest 1-2 mm diam., exceeding apex by 1-2 mm;

filaments of each bundle connate from base to shortly below anthers except for a 2-3 mm portion of median filament just above base; nectariferous tissue borne along distinct portion of median filament;

style 3-9 mm;

stigma rhomboid, 2-horned.

erect, with slightly pungent odor;

pedicels rigid, 2-10 mm;

sepals ovate to cordate or nearly round, 3-7 × 2-5 mm;

petals golden yellow;

outer petals (10-)12-16(-22) × 2-4 mm, reflexed portion 4-7 mm;

inner petals (8-)15-17(-18) mm, blade 3-5 mm, claw 6-9 mm, confluent with and nearly as wide as blade, crest usually about 1-3 mm diam., scarcely exceeding apex;

filaments of each bundle connate from base to shortly below anthers, rarely distinct from near base; nectariferous tissue borne at base of median filament, not projecting into outer petal;

stigma shortly 2-horned, ca. 2 times wider than long.

oblong, 4-5 mm diam.

ovoid, attenuate at both ends or sometimes rounded at base, (5-)15-25(-32) × 5-8 mm.

reniform, ca. 2 mm diam., finely reticulate, elaiosome present.

slightly reniform, 1.5-2.2 mm diam., densely covered with tiny protuberances, elaiosome absent.

produced hybrids between Dicentra ochroleuca and D. chrysantha also had 2n = 32.

= 32.